Abdul Hameed Siddiqui, Afshan Mateen Shaikh, Munira Shakir, Maria Khan, Asmatullah Khan.
Relationship between central corneal thickness in Myopic and Emmetropic patients.
Pak J Surg Jan ;36(1):75-8.

Corneal thickness is an important indicator of corneal health. Its alteration may be indicative of different pathologies. Central Corneal Thickness (CCT) is an essential tool in the assessment and management of corneal disease. Myopia is one of the most common eye disorders worldwide. Some studies concluded that eyes with myopia have more Flatt ended corneas, deeper anterior chambers and major white-to-white corneal diameters when compared with low-myopic, emmetropic and hyperopic eyes. Corneal thickness is also implicated in the measurement of intraocular pressure (IOP). A thin CCT might be a risk factor for the progression of Primary Open Angle Glaucoma. Objective: This study aims to compare the CCT in Myopic and Emmetropic patients aged between 18-55 years, seen in an ophthalmology out-patient department in an urban area of Pakistan Material and Methods: This was a cross-sectional, observational study of 205 patients aged between 18-55 years, presenting to the Ophthalmology Department of Liaquat National Hospital, Karachi from August 2016 till Feburary 2017. Results: Of 205 patients 61% were males and 39% were females. 55.1% were myopic patients and 44.9% were emmetropic patients. Mean CCT in Myopic patients were 538.45 um and 529.06 um in emmetropic patients with P-value of 0.047 that is statistically significant. Conclusion: In contrast to studies conducted before, our study showed a high value of mean CCT in Myopic as compared to Emmetropic patients. More studies are needed to further investigate this relationship.

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